The transfer function of a stable discrete-tim e LTI system is H(z)where Kand andalpha; are real numbers. The value of a (rounded off to one decimal place) withfor which the magnitude response of the system is constant over all frequencies, is ____ .Correct answer is '-2'. Can you explain this answer?

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The transfer function of a stable discrete-tim e LTI system is H(z)

where K and α are real numbers. The value of a (rounded off to one decimal place) with

for which the magnitude response of the system is constant over all frequencies, is ____ .

Correct answer is '-2'. Can you explain this answer?

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Electronics And Communication - ECE 2020 GATE Paper (Practice Test)

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The transfer function of a stable discrete-tim e LTI system is H(z)whe...

System is all-pass filter.
For digital all-pass filter, condition is

...(1)
By given transfer function,
Zero = α
Pole = -0.5
Using condition (i),

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The transfer function of a stable discrete-tim e LTI system is H(z)where Kand α are real numbers. The value of a (rounded off to one decimal place) withfor which the magnitude response of the system is constant over all frequencies, is ____ .Correct answer is '-2'. Can you explain this answer?

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